Some of my exploration with using Geometry Nodes to distribute plants over, and modify, and input land mesh.
A simple dry stone wall generator and Gorse bush generator help dress this scene with procedural foliage systems.
Dry stone walls with the very early Geometry Nodes
Gorse Bush generator
Interconnected systems distribute trees and ground cover with respect to each other's location.
A generated wall nestles in a dreamlike loop of perfect summer countryside